From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Subject: Re: RAID-10 keeps aborting
Date: Tue, 04 Jun 2013 11:56:23 -0400
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>>>>> "hpa" == H Peter Anvin <hpa@zytor.com> writes:

hpa> Note that the filesystem is not mounted with the "discard" option,
hpa> and given the rarity of the aborts, whatever causes the WRITE SAME
hpa> bio to be generated must be a very rare event.

It's probably not discard. I'm guessing it's something that needs to
zero out a block range. Not something that happens very often.

-- 
Martin K. Petersen	Oracle Linux Engineering